18027279

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:956

約数の個数: 20

約数和(自身を含む): 27043984

約数和(自身を除く): 9016705

約数列:

[1, 3, 9, 27, 81, 457, 487, 1371, 1461, 4113, 4383, 12339, 13149, 37017, 39447, 222559, 667677, 2003031, 6009093, 18027279]

約数ペア:

[(1, 18027279), (3, 6009093), (9, 2003031), (27, 667677), (81, 222559), (457, 39447), (487, 37017), (1371, 13149), (1461, 12339), (4113, 4383)]